What happens during the electron transport chain of the light reactions?
A. The electrons get increasingly excited as they move up the chain.
B. The electrons release their energy, which is captured by ATP and NADPH.
C. The electrons interact with oxygen to move up the chain.
D. The electrons get fused with each other to capture energy.
Answer: B
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The cytoplasmic membrane of Thermoplasma contains a lipopolysaccharide-like material called lipoglycan which
A) behaves like peptidoglycan and creates a strong cell wall. B) forms a monolayer that stabilizes the cytoplasmic membrane. C) contains ether linkages. D) contains ether linkages and forms a monolayer that stabilizes the cytoplasmic membrane.
Where did Homo sapiens evolve?
A. Asia B. Middle east C. Africa D. independently in multiple regions of the world E. North America
Which of the following tests is an agglutination test for the bacterium causing typhoid fever?
A. Widal test B. IMViC C. Quellung reaction D. API 20E system
The part of a neuron that conducts an electrical signal towards other neurons is/are the
a. dendrites. b. cell body. c. axon. d. dendrites and axon. e. dendrites, cell body and axon.